package com.immo.libcommon.base;

import android.support.v4.app.Fragment;

import static com.immo.libcommon.utils.ToastUtils.showToast;

/**
 * @author Administrator
 * @content Fragment基类
 * @date 2017/11/10
 */

public abstract class BaseFragment extends Fragment {
    protected boolean isVisible;
    /**
     * 在这里实现Fragment数据的缓加载.
     * @param isVisibleToUser 是否可见
     */
    @Override
    public void setUserVisibleHint(boolean isVisibleToUser) {
        super.setUserVisibleHint(isVisibleToUser);
        if(getUserVisibleHint()) {
            isVisible = true;
            onVisible();
        } else {
            isVisible = false;
            onInvisible();
        }
    }
    protected void onVisible(){
        lazyLoad();
    }
    protected abstract void lazyLoad();
    protected void onInvisible(){
    }
    public void toast(String content) {
        showToast(getActivity(),content);
    }

}
